fixed csv reader issue for the bosch dataset

datasets.py

@@ -137,8 +137,9 @@ def prepare_bosch(dataset_folder, nrows):
 
     os.system("kaggle competitions download -c bosch-production-line-performance -f " +
               filename + " -p " + dataset_folder)
-    X = pd.read_csv(local_url, index_col=0, compression='zip', dtype=np.float32,
-                    nrows=nrows)
+    X = pd.read_csv(local_url,compression='zip', dtype=np.float32)
+    X = X.set_index('Id')
+    X.index = X.index.astype('int64')
     y = X.iloc[:, -1].to_numpy(dtype=np.float32)
     X.drop(X.columns[-1], axis=1, inplace=True)
     X = X.to_numpy(dtype=np.float32)